Pith Number

pith:P3FVZP5O

pith:2006:P3FVZP5OKVGZR3S3MTH6RAVHCG

not attested not anchored not stored refs pending

Multilevel Thresholding for Image Segmentation through a Fast Statistical Recursive Algorithm

Amit Verma, Jayadev Acharya, Prasanta K. Panigrahi, Siddharth Arora

arxiv:cs/0602044 v1 · 2006-02-12 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3FVZP5OKVGZR3S3MTH6RAVHCG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T14:53:17.658099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ecb5cbfae554d98ee5b64cfe882a711b16830c09ae24605a39a02e4c1718423

Aliases

arxiv: cs/0602044 · arxiv_version: cs/0602044v1 · doi: 10.48550/arxiv.cs/0602044 · pith_short_12: P3FVZP5OKVGZ · pith_short_16: P3FVZP5OKVGZR3S3 · pith_short_8: P3FVZP5O

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/P3FVZP5OKVGZR3S3MTH6RAVHCG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7ecb5cbfae554d98ee5b64cfe882a711b16830c09ae24605a39a02e4c1718423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d040d149ce619c90968e23d00e8f3f857d98a2b0d652bde70370c248f3881c52",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CV",
    "submitted_at": "2006-02-12T18:22:41Z",
    "title_canon_sha256": "efe1089b1f789ff6d9e3e871ea858b8188859d1e9a7121f9fa319c84a82383a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0602044",
    "kind": "arxiv",
    "version": 1
  }
}